Fun.php
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<?php
namespace Lib\Imap;
/**
* @author：dc
* @time 2024/10/21 9:47
* Class Fun
* @package Lib\Imap
*/
class Fun {
/**
* 编码
* @param $str
* @param $to
* @param null $from
* @return string
* @author：dc
* @time 2024/10/21 9:43
*/
public static function mb_convert_encoding($str, $to, $from = null){
$from = self::getEncodingAliases($from);
try {
return mb_convert_encoding($str,$to,$from);
}catch (\Throwable $e){}
return mb_convert_encoding($str,$to);
}
/**
* 只有发现一个处理一个
* 获取编码
* @author：dc
* @time 2024/10/25 17:24
*/
public static function getEncodingAliases($coding){
$alias = [
"iso-8859-8-i" => "ISO-8859-8",
"iso-8859-8-e" => "ISO-8859-8",
"iso-8859-6-i" => "ISO-8859-6",
"iso-8859-6-e" => "ISO-8859-6",
];
$coding = strtolower($coding);
if(isset($alias[$coding])){
return $alias[$coding];
}
return $coding;
}
}